<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>傻逼</title>
</head>
<body>
<div style="color:#FF0000">
{% for i in range(5) %}
    <h4>print {{ i }}<br/>
        ===============</h4><br/>
{% endfor %}
{% for key,value in data.items() %}
    print {{ key }}:{{ value }}<br/>

{% endfor %}
</div>
</body>
</html>